| article html file updated | 31 August 2025 09:37 CEST | Update | https://www.mdpi.com/2227-9717/8/2/131 |
| article html file updated | 21 August 2025 23:37 CEST | Update | - |
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| article html file updated | 6 March 2020 21:03 CET | Update | - |
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| article pdf uploaded. | 23 February 2020 13:11 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/131/pdf |
| article xml uploaded. | 23 February 2020 13:11 CET | Update | https://www.mdpi.com/2227-9717/8/2/131/xml |
| article xml file uploaded | 23 February 2020 13:11 CET | Update | - |
| article pdf uploaded. | 21 January 2020 15:12 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/131/pdf-vor |
| article xml file uploaded | 21 January 2020 15:12 CET | Original file | - |
